although this mail create a long thread, but anybody has any good solution to the original question? Farkas Levente wrote: > hi, > after we switch our servers from centos-3 to centos-4 (aka. rhel-4) one > of our server always crash once a week without any oops. this happneds > with both the normal kernel-2.6.9-11.EL and > kernel-2.6.9-11.106.unsupported. after we change the motherboard, the > raid contorller and the cables too we still got it. finally we start > netdump and last but not least yesterday we got a crash log and a core > file. it seems there is a bug in the raid5 code of the kernel. > this is our backup server with 8 x 200GB hdd in a raid5 (for the data) > plus 2 x 40GB hdd in raid1 (for the system) with 3ware 8xxx raid > contorller, running. i attached the netdump log of the last crash. > how can i fix it? > yours. -- Levente "Si vis pacem para bellum!"